11. Module reference: Filter group
NORD MODULAR G2 V1.1
Page 152
KBT
KBT
KBT
KBT
S
S
S
SC
C
C
CR
R
R
RO
O
O
OL
L
L
LL
L
L
L
B
B
B
BU
U
U
UT
T
T
TT
T
T
TO
O
O
ON
N
N
N
KBT,
K
ey
B
oard
T
racking, is the hard-wired connection between the cutoff frequency and the
keyboard (and the MIDI input). Click to select Off, 25%, 50%, 75% or 100% ratio. If KBT
is set to 100%, the cutoff frequency will track the keyboard at the rate of one semitone for each
key. If KBT is set to Off, the keyboard will not affect the cutoff frequency at all.
F
F
F
F
R
R
R
RE
E
E
EQ
Q
Q
Q
K
K
K
KN
N
N
NO
O
O
OB
B
B
B
With this you set the filter cutoff frequency (or center frequency for Bandpass and
Bandreject filters). The frequency is shown in the corresponding Display Box. The
range is 13.76 Hz to 21.1 kHz.
R
R
R
R
E
E
E
ES
S
S
SO
O
O
ON
N
N
NA
A
A
AN
N
N
NC
C
C
CE
E
E
E
/R
/R
/R
/R
E
E
E
ES
S
S
S
K
K
K
KN
N
N
NO
O
O
OB
B
B
B
This is a function that emphasizes the frequencies that is at, or close to, the set cutoff fre-
quency. If set to 127, the filter starts to self-oscillate and produces a sine wave. The Res-
onance is shown in the corresponding Display Box. Range: 0 to 127 units.
GC
GC
GC
GC
B
B
B
BU
U
U
UT
T
T
TT
T
T
TO
O
O
ON
N
N
N
This is the Gain Compensation parameter. When activated, it will lower the gain of the signal
inside the filter if the resonance is increased, something that otherwise will boost the level within
the filter. If several sound sources are processed in a filter and the resonance control is raised, clipping of
the signal might occur inside the filter. Activating the GC parameter will reduce the levels, to reduce the
risk of any unwanted clipping.
D
D
D
D
B/O
B/O
B/O
B/O
C
C
C
CT
T
T
T
R
R
R
RA
A
A
AD
D
D
DIIIIO
O
O
O
B
B
B
BU
U
U
UT
T
T
TT
T
T
TO
O
O
ON
N
N
NS
S
S
S
Here you select the filter roll-off (slope). The roll-off for a 1-pole filer is 6 dB/octave, 12
dB/octave for a 2-pole filter, 18 dB/octave for a 3-pole filer and 24 dB/octave for a 4-pole
filter. Generally, the filter roll-off increases by 6 dB/octave for every pole a filter has.
F
F
F
F
IIIIL
L
L
LT
T
T
TE
E
E
ER
R
R
R
G
G
G
GR
R
R
RA
A
A
AP
P
P
PH
H
H
H
Some filter modules feature a graph to visually display the current filter characteristics.
The X-axis represents the frequency and the Y-axis the level. The gray horizontal line rep-
resents the 0 dB level.
F
F
F
F
IIIIL
L
L
LT
T
T
TE
E
E
ER
R
R
R
D
D
D
DR
R
R
RO
O
O
OP
P
P
P
----
D
D
D
DO
O
O
OW
W
W
WN
N
N
N
S
S
S
SE
E
E
EL
L
L
LE
E
E
EC
C
C
CT
T
T
TO
O
O
OR
R
R
R
Some filter modules have a drop-down roll-off selector. The different slopes of these mod-
ules are not instantly available as in the modules with dB/Oct radio buttons. The advantage
of this is that these modules uses less Patch Load. However, changing roll-off in these mod-
ules will force the Sound engine to recalculate and thus cause a brief moment of silence. So
if you’re looking for lower Patch Load, use these filter modules instead of the “radio button” ones.
IIII
N
N
N
NP
P
P
PU
U
U
UT
T
T
T
The Audio signal input of the filter module
O
O
O
O
N
N
N
N
/B
/B
/B
/B
Y
Y
Y
YP
P
P
PA
A
A
AS
S
S
SS
S
S
S
Click the On/Bypass button to bypass the input signal from the effect. Blue button color indicates
‘On’ and gray ‘Bypass’.
O
O
O
O
U
U
U
UT
T
T
TP
P
P
PU
U
U
UT
T
T
T
The output from the filter. Signal:
Bipolar
.
